103143400400 has 30 divisors (see below), whose sum is σ = 247802020422. Its totient is φ = 41257360000.

The previous prime is 103143400397. The next prime is 103143400417. The reversal of 103143400400 is 4004341301.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 30066172816 + 73077227584 = 173396^2 + 270328^2 .

It is a super-2 number, since 2×103143400400² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128928851 + ... + 128929650.

Almost surely, 2^103143400400 is an apocalyptic number.

103143400400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103143400400 is an abundant number, since it is smaller than the sum of its proper divisors (144658620022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103143400400 is a wasteful number, since it uses less digits than its factorization.

103143400400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257858519 (or 257858508 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 103143400400 its reverse (4004341301), we get a palindrome (107147741701).

The spelling of 103143400400 in words is "one hundred three billion, one hundred forty-three million, four hundred thousand, four hundred".